| The characteristics of Quaternary activity of faults in the sea area near the Yangtze River mouth |
| |
| 作者姓名： | 章振铨 火恩杰 刘昌森 王锋 |
| |
| 作者单位： | Earthquake Administration of Shanghai Municipality，Shanghai 200062，China，Earthquake Administration of Shanghai Municipality，Shanghai 200062，China，Earthquake Administration of Shanghai Municipality，Shanghai 200062，China，Earthquake Administration of Shanghai Municipality，Shanghai 200062，China |
| |
| 基金项目： | Science Technical Development Foundation of Shanghai (012512003). |
| |
| 摘 要： | Introduction As far as the frequency and magnitude are concerned, the earthquakes in the sea area to the east of Shanghai are far more strong than in land area with the largest one in the sea area near the Yangtze River mouth being MS=436, while in land, only MS=434 occurred on Sept. 1, 1624. As a moderately strong earthquake active area, the sea area near the Yangtze River mouth, may cause a potential risk to Shanghai. In 1971 and 1996, earthquakes with MS=5~6 occurred in this area. Geo…
|
| 收稿时间： | 9 December 2003 |
| 修稿时间： | 16 March 2004 |
The characteristics of Quaternary activity of faults in the sea area near the Yangtze River mouth |
| |
| Zhang Zhen-quan , Huo En-jie , Liu Chang-sen and Wang Feng.The characteristics of Quaternary activity of faults in the sea area near the Yangtze River mouth[J].Acta Seismologica Sinica(English Edition),2004,17(4):473-479. |
| |
| Authors: | Zhang Zhen-quan Huo En-jie Liu Chang-sen and Wang Feng |
| |
| Institution: | Earthquake Administration of Shanghai Municipality, Shanghai 200062, China |
| |
| Abstract: | By shallow seismic prospecting, it is showed that the faults in the sea area near the Yangtze River mouth are mainly the NE and NW-trending faults. The main activity time of fault is Pliocene to Early Pleistocene, and the latest activity is up to Middle Pleistocene. The maximum of fault is generally several tens meters with the throw decreased upward. The dislocation near the bottom of Middle Pleistocene is 12~13 m. The average vertical dis-placement rate is on a level of 10-3 mm/a. |
| |
| Keywords: | fault activity sea area near the Yangtze River mouth |
| 本文献已被 CNKI 维普 万方数据 SpringerLink 等数据库收录！ |
